Which one of the following is a leading producer of copper in the world?

Which one of the following is not a characteristic of minerals?

Regarding the Biogas consider the following statements:

1. It is a mixture of gases, primarily consisting of methane and carbon dioxide.

2. Biogas formation is an Aerobic Process.

Which of the statements given above is/are correct

Identify the fossil fuel from the following characteristics.

1. It is extracted from the layer of the rocks

2. It helps in producing a variety of products like diesel, petrol, kerosene, wax, plastics, and lubricants

3. This valuable liquid is also known as Black Gold

Select the correct answer from the given alternatives:

Which of the following is one of the main mineral constituents of the continental mass of the earth?

Match the following,

Consider the following substances:

1. Graphite

2. Salt

3. Limestone

4. Mica

How many substances mentioned above are examples of Minerals?

The areas of Kansas, Oklahoma, Texas and Southern California are well-known for which of the following activities?

Which of the following is not a metallic mineral?

Which of the following is the primary constituent of naturally occurring mineral magnetite on Earth?